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$127+ Cheap flights from San Diego

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 18/4. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
SAN — GTF
5 Apr — 12 Apr1
1 adult
1 adult, Economy, 0 bags

What to know about flights from San Diego

Discover essential information about flights departing from San Diego, including flight schedules, destinations, airlines operating at the San Diego airport, and any specific guidelines or requirements for travellers. Please note that the information is based on the most recent updates available. Data last updated 6 March 2026.

Good round-trip deal

$357 or less

Good one-way deal

$125 or less
Price to beat on a round-trip flight from San Diego.
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Price to beat on a one-way flight from San Diego.
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Find flights from San Diego

Enter your travel dates to find the best prices.

Cheapest flights from San Diego
Explore the most affordable flight options available from San Diego. Find the lowest fares based on data from user searches, with prices last updated on 6 March 2026.

Tue 28/407:55
SAN
-
BZN
1 stop5h 45m
Southwest
Sat 2/511:10
BZN
-
SAN
1 stop6h 15m
Southwest
Deal found 2/3$252
Sun 5/418:35
SAN
-
BZN
1 stop5h 10m
Southwest
Wed 8/411:20
BZN
-
SAN
2 stops7h 25m
Southwest
Deal found 3/3$283
Mon 24/806:30
SAN
-
BZN
1 stop7h 43m
United Airlines
Thu 27/816:22
BZN
-
SAN
1 stop7h 05m
United Airlines
Deal found 3/3$300
Tue 24/316:20
SAN
-
BZN
2 stops6h 50m
Southwest
Fri 27/319:10
BZN
-
SAN
1 stop4h 00m
Southwest
Deal found 3/3$308
Tue 14/410:11
SAN
-
BZN
1 stop4h 13m
Alaska Airlines
Wed 15/412:40
BZN
-
SAN
Nonstop2h 52m
Alaska Airlines
Deal found 6/3$315
Sat 2/506:20
SAN
-
BZN
1 stop5h 10m
United Airlines
Tue 5/516:18
BZN
-
SAN
1 stop7h 19m
United Airlines
Deal found 5/3$320
Wed 1/417:35
SAN
-
BZN
1 stop5h 35m
Southwest
Sat 4/411:00
BZN
-
SAN
Nonstop2h 30m
Southwest
Deal found 3/3$322
Tue 14/419:12
SAN
-
BZN
1 stop3h 57m
Delta
Wed 15/415:15
BZN
-
SAN
1 stop8h 14m
Delta
Deal found 6/3$325
Sat 2/508:50
SAN
-
BZN
2 stops9h 40m
Southwest
Tue 5/509:55
BZN
-
SAN
1 stop6h 50m
Southwest
Deal found 5/3$328
Tue 26/519:11
SAN
-
BZN
1 stop3h 48m
Delta
Mon 1/616:04
BZN
-
SAN
1 stop7h 20m
Delta
Deal found 4/3$329
Tue 28/419:35
SAN
-
HLN
1 stop21h 10m
Alaska Airlines
Sat 2/518:22
HLN
-
SAN
1 stop16h 33m
Alaska Airlines
Deal found 5/3$374
Mon 11/520:35
SAN
-
GTF
1 stop20h 00m
Alaska Airlines
Fri 15/518:52
GTF
-
SAN
1 stop28h 34m
Alaska Airlines
Deal found 4/3$387

Find flights from San Diego within your budget

 
Find flights departing from San Diego that match your specified budget. Filter results by price range, allowing you to narrow down options and find flights that fit within your financial constraints. Please note that the search results are based on data from user searches, with fares last updated on 6 March 2026. In the last 7 days, Cheapflights users made a total of 647,157 searches

Fly to

Route

Depart

Return

Price

Cheapest return flight

San DiegoBozeman

SAN - BZN

SANBZN

San Diego

Tue 28/4

07:55-14:40

1 stop5h 45m

Bozeman Gallatin Field

Sat 2/5

11:10-16:25

1 stop6h 15m

$252

San DiegoBozeman

SAN - BZN

SANBZN

San Diego

Sun 5/4

18:35-00:45

1 stop5h 10m

Bozeman Gallatin Field

Wed 8/4

11:20-17:45

2 stops7h 25m

$283

San DiegoBozeman

SAN - BZN

SANBZN

San Diego

Mon 11/5

06:20-12:30

1 stop5h 10m

Bozeman Gallatin Field

Tue 19/5

16:18-22:37

1 stop7h 19m

$320

San DiegoGreat Falls

SAN - GTF

SANGTF

San Diego

Mon 11/5

20:35-17:35

1 stop20h 00m

Great Falls

Fri 15/5

18:52-22:26

1 stop28h 34m

$387

San DiegoGreat Falls

SAN - GTF

SANGTF

San Diego

Wed 6/5

10:51-17:35

1 stop5h 44m

Great Falls

Mon 11/5

18:15-12:20

2 stops19h 05m

$430

San DiegoBozeman

SAN - BZN

SANBZN

San Diego

Thu 26/3

07:30-14:36

1 stop6h 06m

Bozeman Gallatin Field

Tue 31/3

15:19-22:48

1 stop8h 29m

$439
Fastest return journey

San DiegoBozeman

SAN - BZN

SANBZN

San Diego

Sat 13/6

08:30-12:10

Nonstop2h 40m

Bozeman Gallatin Field

Sat 20/6

17:00-18:45

Nonstop2h 45m

$440

San DiegoBozeman

SAN - BZN

SANBZN

San Diego

Mon 15/6

12:10-15:55

Nonstop2h 45m

Bozeman Gallatin Field

Mon 22/6

19:15-23:25

1 stop5h 10m

$440

San DiegoGreat Falls

SAN - GTF

SANGTF

San Diego

Thu 9/4

06:15-12:24

1 stop5h 09m

Great Falls

Sun 12/4

05:30-08:45

1 stop4h 15m

$441

San DiegoHelena

SAN - HLN

SANHLN

San Diego

Tue 7/4

06:15-17:45

1 stop10h 30m

Helena

Thu 9/4

18:22-07:56

2 stops14h 34m

$449

Flights are sorted by cheapest return flights first.

Deals found on 2/3

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from San Diego

Have a flexible travel schedule? Discover the best time to fly from San Diego with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from San Diego

Get recent, data-driven insights about flights from San Diego including ideal travel times, pricing trends, and more.

What are popular destinations to fly to from San Diego?

San Diego offers frequent flights to Chicago (224 flights per day), San Francisco (166 flights per day) and Dallas (134 flights per day).

Las Vegas Harry Reid Intl
Las Vegas Harry Reid Intl
From $97
Denver Intl
Denver Intl
From $2,924
Calgary
Calgary
From $541
Boston Logan Intl
Boston Logan Intl
From $1,710

What is the cheapest place to fly to from San Diego?

The cheapest city to fly to from San Diego is Las Vegas Harry Reid Intl, with prices starting at $97. Explore other affordable destinations below.

Las Vegas Harry Reid Intl
Las Vegas Harry Reid Intl
From $97
Calgary
Calgary
From $541
Boston Logan Intl
Boston Logan Intl
From $1,710

Browse thousands of different options on Cheapflights for your next trip

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Related info for your journey

Access useful and relevant information related to your journey from San Diego. This can include details such as airport transportation, visa requirements, travel insurance, luggage regulations, and any other information that can ensure a smooth and hassle-free travel experience. Please note that the information is based on general guidance and may need to be verified with official sources. Data last updated 6 March 2026.

  • What are the most popular destinations to fly to from San Diego?

    For the current month, the most popular flights from San Diego are Boston, Chicago, Atlanta. Boston, Chicago, Atlanta are the most popular locations from San Diego year round.

  • What is the cheapest flight from San Diego to anywhere?

    Users have flown out of San Diego for as low as $97 to Las Vegas (prices may vary depending on the airline and departure time). On average, users have booked flights for $1,156 to fly from San Diego.

  • What is the cheapest premium economy flight from San Diego?

    Options for some of the cheapest premium economy flights from San Diego we have found on Cheapflights are as follows:
    Fly from San Diego to London Heathrow Airport starting at $2,617
    Fly from San Diego to Seattle starting at $2,720

  • What is the cheapest first class flight from San Diego?

    If you’re looking to fly first-class from San Diego to anywhere, put Boston on your list as prices start at $1,710 for this destination.

  • How does Cheapflights help users find flights from San Diego?

    Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from San Diego. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

  • Why should you use Cheapflights to find cheap flight tickets from San Diego?

    Millions of users choose and trust Cheapflights to book the best flight deals from San Diego for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

  • Can Cheapflights find flights from San Diego with no change fees?

    Cheapflights does show flights with no change fees to all users. To see these options for flights from San Diego, users can toggle the no change fees filter when performing a flight search.

  • Can Cheapflights notify me if prices for flights from San Diego become cheaper?

    Yes! Start tracking prices for flights from San Diego today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive the alerts.

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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from San Diego?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from San Diego. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from San Diego?

Millions of users choose and trust Cheapflights to book the best flight deals from San Diego for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from San Diego with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from San Diego, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from San Diego become cheaper?

Yes! Start tracking prices for flights from San Diego today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive the alerts.

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